#include<iostream>
using namespace std;
void Swap(int *p1,int *p2)
{
	int *tmp = p1;
	p1 = p2;
	p2 = tmp;
}
int main()
{
	int m = 4,n = 3;
	int *pm = &m;
	int *pn = &n;
	Swap(pm,pn);
	cout<<*pm<<","<<*pn;
}